Light /
by Sally M. Walker ; [photographs by Andy King].
- Minneapolis : Lerner Publications Co., c2006.
- 48 p. : col. ill. ; 23 cm.
- Early bird energy .
- Walker, Sally M. Early bird energy. .
Includes index.
Be a word detective -- Color -- Refraction -- Reflection -- Ray -- Energy -- Matter -- Transparent -- Photon -- Opaque.